* {
  margin: 0;
  padding: 0;
}
.slider{
  overflow: hidden;
  width: 100%;
  position: relative;
}
.slider ul {
    height: auto;
    overflow: hidden;
    position: relative;
    left: 0;
    transition: left 1s;
}
.slider .slider-item{
    display: inline-block;
    height: auto;
}
.slider .slider-item img{
    display: block;
    height: auto;
    width: 100%; 
}

.slider .slider-arrow{
    display: inline-block;
    color: #fff;
    font-size: 50px;
    position: absolute;
    top: 50%;
    margin-top: -50px;
    z-index: 100;
    padding: 20px;
    cursor: pointer;
    font-weight: bold;
} 
.slider .slider-arrow:hover{
    background: rgba(0,0,0,.2);
}

.slider .slider-dots-wrap{
    z-index: 99;
    text-align: center;
    width: 100%;
    position: absolute;
    bottom: 0;
}

.slider .slider-dots-wrap .slider-dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    margin: 6px;
    cursor: pointer;
    border-radius: 20px;
    background: #666;  

}

.slider .slider-dots-wrap .slider-dot-selected{
    background: #ccc;  
}

